Method and system for processing hologram data using hologram fringe data format adaptive to data encoding scheme

Abstract

A hologram data processing method using a hologram fringe data format adaptive to a data encoding scheme includes configuring model data of a three-dimensional (3D) object corresponding to source data to be used for generating a hologram, computing hologram fringe data by applying a diffraction transform to a light wave transferred to a hologram plane based on the model data of the 3D object, setting, in the computed hologram fringe data, the hologram fringe data format adaptive to a data encoding scheme for reconstructing the hologram, reconstructing an optical hologram by applying the data encoding scheme to the hologram fringe data, and adjusting the optical hologram by comparing a reconstructed image of the optical hologram to a reconstructed image of a numerical hologram.

What is claimed is: 
     
         1 . A method of processing hologram data using a hologram fringe data format adaptive to a data encoding scheme, the method comprising:
 configuring model data of a three-dimensional (3D) object corresponding to source data to be used for generating a hologram;   computing hologram fringe data by applying a diffraction transform to a light wave transferred to a hologram plane based on the model data of the 3D object;   setting, in the computed hologram fringe data, the hologram fringe data format adaptive to a data encoding scheme for reconstructing the hologram;   reconstructing an optical hologram by applying the data encoding scheme to the hologram fringe data; and   adjusting the optical hologram by comparing a reconstructed image of the optical hologram to a reconstructed image of a numerical hologram.   
     
     
         2 . The method of  claim 1 , wherein the setting comprises setting a hologram fringe data format adaptive to both an amplitude encoding scheme and a phase encoding scheme, by incorporating information on phase data of the hologram and information on amplitude data of the hologram into the hologram fringe data format. 
     
     
         3 . The method of  claim 2 , wherein the information on the amplitude data of the hologram comprises start bit string information on the amplitude data of the hologram, amplitude data type information of the hologram, bit length information of an amplitude data stream of the hologram, and amplitude data stream information of the hologram. 
     
     
         4 . The method of  claim 2 , wherein the information on the phase data of the hologram comprises start bit string information on the phase data of the hologram, phase data type information of the hologram, bit length information of a phase data stream of the hologram, and phase data stream information of the hologram. 
     
     
         5 . The method of  claim 2 , wherein the hologram fringe data format further comprises header information comprising a hologram generation parameter and start bit information of the hologram fringe data. 
     
     
         6 . The method of  claim 5 , wherein the header information comprises information on a 3D model data configuration scheme, information on a reference beam, information on a hologram fringe pattern data generation parameter, information on a hologram reproduction scheme, and information on an optical parameter. 
     
     
         7 . The method of  claim 1 , wherein the adjusting comprises adjusting the optical hologram in a direction in which the reconstructed image of the optical hologram matches the reconstructed image of the numerical hologram. 
     
     
         8 . The method of  claim 7 , wherein the adjusting comprises re-computing the hologram fringe data by adjusting a hologram generation parameter. 
     
     
         9 . A method of setting a hologram fringe data format adaptive to a data encoding scheme, the method comprising:
 configuring model data of a three-dimensional (3D) object corresponding to source data to be used for generating a hologram;   computing hologram fringe data by applying a diffraction transform to a light wave transferred to a hologram plane based on the model data of the 3D object; and   setting, in the computed hologram fringe data, the hologram fringe data format adaptive to a data encoding scheme for reconstructing the hologram.   
     
     
         10 . The method of  claim 9 , wherein the setting comprises setting a hologram fringe data format adaptive to both an amplitude encoding scheme and a phase encoding scheme, by incorporating information on amplitude data of the hologram and information on phase data of the hologram into the hologram fringe data format. 
     
     
         11 . A system for processing hologram data using a hologram fringe data format adaptive to a data encoding scheme, the system comprising:
 a configurator to configure model data of a three-dimensional (3D) object corresponding to source data to be used for generating a hologram;   a computation unit to compute hologram fringe data by applying a diffraction transform to a light wave transferred to a hologram plane based on the model data of the 3D object;   a setting unit to set, in the computed hologram fringe data, the hologram fringe data format adaptive to a data encoding scheme for reconstructing the hologram;   a reconstructor to reconstruct an optical hologram by applying the data encoding scheme to the hologram fringe data; and   an adjuster to adjust the optical hologram by comparing a reconstructed image of the optical hologram to a reconstructed image of a numerical hologram.   
     
     
         12 . The system of  claim 11 , wherein the setting unit sets a hologram fringe data format adaptive to both an amplitude encoding scheme and a phase encoding scheme, by incorporating information on phase data of the hologram and information on amplitude data of the hologram into the hologram fringe data format. 
     
     
         13 . A system for setting a hologram fringe data format adaptive to a data encoding scheme, the system comprising:
 a configurator to configure model data of a three-dimensional (3D) object corresponding to source data to be used for generating a hologram;   a computation unit to compute hologram fringe data by applying a diffraction transform to a light wave transferred to a hologram plane based on the model data of the 3D object; and   a setting unit to set, in the computed hologram fringe data, the hologram fringe data format adaptive to a data encoding scheme for reconstructing the hologram.